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. 2022 Oct 7;298(11):102572. doi: 10.1016/j.jbc.2022.102572

Figure 5.

Figure 5

Structural model of the SecY/E/G–PpiD/YfgM supercomplex predicted by AlphaFold2.A, ribbon representation of the predicted structure of an Escherichia coli SecY/E/G–PpiD/YfgM supercomplex viewed from the periplasmic side. The positions of the SecY central channel and the PpiD and YfgM TMs are shown as dotted circles. B, mapping of SecG-contact residues (blue) in YfgM and PpiD and a YfgM-contact residue (green) in SecG on the model structure viewed from the back side of SecY/E/G. C, mapping of PpiD-neighbor residues (magenta and red) in SecY on the model structure viewed from the front side of SecY/E/G. SecY, SecE, SecG, PpiD, and YfgM are indicated in gray, yellow, blue, pink, and pale green, respectively. TM, transmembrane.